(2R,2'S,3'aR,7'aR,5''S)-5''-methyl-4-oxo-3'a,6',7',7'a,3'',4'',5'',6''-octahydrodispiropyran> is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 124603-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,6,0 and 3 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 124603-92: (8*1)+(7*2)+(6*4)+(5*6)+(4*0)+(3*3)+(2*9)+(1*2)=105 105 % 10 = 5 So 124603-92-5 is a valid CAS Registry Number.